CVE-2026-86482: JetBrains YouTrack privilege escalation in role assignment validation

CVE-2026-86482 · Severity: high · CVSS 8.8 · Published 2026-09-07

JetBrains YouTrack is a project and issue tracking platform used by development teams to manage work and collaboration. A flaw in role assignment validation allows attackers to escalate their privileges within YouTrack, potentially gaining unauthorized access to sensitive project data, configurations, and administrative functions.

Technologies: Jetbrains YouTrack. Vendors: Jetbrains.

Quick answers

Is CVE-2026-86482 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-86482 being exploited in the wild.
How severe is CVE-2026-86482?
High severity, with a CVSS score of 8.8, published 7 September 2026.
Which products and versions are affected?
Jetbrains YouTrack before 2026.2.18634.
Is there a fix for CVE-2026-86482?
No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-86482 attacked?
It is attacked over the network.
Am I affected by CVE-2026-86482?
Check whether you run Jetbrains YouTrack at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

The vulnerability exists in YouTrack's role assignment mechanism, where insufficient validation of role assignments allows privilege escalation. An attacker with limited access can exploit this flaw to assign themselves elevated roles or permissions without proper authorization checks. The attack requires network access to the YouTrack instance and may require some level of existing authentication. Successful exploitation allows an attacker to gain administrative or higher-privileged access. The issue is resolved in YouTrack version 2026.2.18634 and later.

Affected products

  • JetBrains YouTrack before 2026.2.18634

Timeline

  • 2026-09-07: disclosed

References

This page as Markdown. Free to reuse under CC BY 4.0 with a link back.